Home / 26,687.07-39,977.01-12,435.39

Finding the Fourth Proportional to 26,687.07, 39,977.01 and 12,435.39

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Solution

The fourth proportional to 26,687.07, 39,977.01 and 12,435.39 is: 18,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.07 : 39,977.01 = 12,435.39 : x
  2. Step 2: Convert to fraction form
    26,687.07/39,977.01 = 12,435.39/x
  3. Step 3: Cross multiply
    26,687.07x = 39,977.01 × 12,435.39
  4. Step 4: Simplify right side
    26,687.07x = 497,129,710.38
  5. Step 5: Solve for x
    x = 497,129,710.38/26,687.07
  6. Step 6: Final answer
    x = 18,628.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.